/* ----------------------------------------------------------------------------
 *         Microchip Microcontroller Software Support
 * ----------------------------------------------------------------------------
 * Copyright (c) 2017, Microchip Corporation
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * - Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the disclaimer below.
 *
 * Microchip's name may not be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
 * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
#include "common.h"
#include "ddramc.h"
#include "debug.h"
#include "gpio.h"
#include "hardware.h"
#include "l2cc.h"
#include "matrix.h"
#include "pmc.h"
#include "sama5d27_som1_ek.h"
#include "string.h"
#include "timer.h"
#include "usart.h"
#include "watchdog.h"
#include "sdhc_cal.h"
#include "arch/at91_ddrsdrc.h"
#include "arch/at91_pio.h"
#include "arch/at91_pmc/pmc.h"
#include "arch/at91_rstc.h"
#include "arch/at91_sfr.h"
#include "arch/tz_matrix.h"

static void at91_dbgu_hw_init(void)
{
	const struct pio_desc dbgu_pins[] = {
		{"RXD1", CONFIG_SYS_DBGU_RXD_PIN, 0, PIO_DEFAULT, PIO_PERIPH_A},
		{"TXD1", CONFIG_SYS_DBGU_TXD_PIN, 0, PIO_DEFAULT, PIO_PERIPH_A},
		{(char *)0, 0, 0, PIO_DEFAULT, PIO_PERIPH_A},
	};

	pio_configure(dbgu_pins);
	pmc_enable_periph_clock(CONFIG_SYS_DBGU_ID, PMC_PERIPH_CLK_DIVIDER_NA);
}

static void initialize_dbgu(void)
{
	unsigned int baudrate = 115200;

	at91_dbgu_hw_init();

	if (pmc_mck_check_h32mxdiv())
		usart_init(BAUDRATE(MASTER_CLOCK / 2, baudrate));
	else
		usart_init(BAUDRATE(MASTER_CLOCK, baudrate));
}

#if defined(CONFIG_MATRIX)
static void matrix_configure_slave(void)
{
	unsigned int ddr_port;
	unsigned int ssr_setting, sasplit_setting, srtop_setting;

	/*
	 * Matrix 0 (H64MX)
	 */

	/*
	 * 0: Bridge from H64MX to AXIMX
	 * (Internal ROM, Crypto Library, PKCC RAM): Always Secured
	 */

	/* 1: H64MX Peripheral Bridge */

	/* 2 ~ 9 DDR2 Port0 ~ 7: Non-Secure */
	srtop_setting = MATRIX_SRTOP(0, MATRIX_SRTOP_VALUE_128M);
	sasplit_setting = MATRIX_SASPLIT(0, MATRIX_SASPLIT_VALUE_128M);
	ssr_setting = MATRIX_LANSECH_NS(0) |
		      MATRIX_RDNSECH_NS(0) |
		      MATRIX_WRNSECH_NS(0);
	for (ddr_port = 0; ddr_port < 8; ddr_port++) {
		matrix_configure_slave_security(AT91C_BASE_MATRIX64,
					(H64MX_SLAVE_DDR2_PORT_0 + ddr_port),
					srtop_setting,
					sasplit_setting,
					ssr_setting);
	}

	/*
	 * 10: Internal SRAM 128K
	 * TOP0 is set to 128K
	 * SPLIT0 is set to 64K
	 * LANSECH0 is set to 0, the low area of region 0 is the Securable one
	 * RDNSECH0 is set to 0, region 0 Securable area is secured for reads.
	 * WRNSECH0 is set to 0, region 0 Securable area is secured for writes
	 */
	srtop_setting = MATRIX_SRTOP(0, MATRIX_SRTOP_VALUE_128K);
	sasplit_setting = MATRIX_SASPLIT(0, MATRIX_SASPLIT_VALUE_64K);
	ssr_setting = MATRIX_LANSECH_S(0) |
		      MATRIX_RDNSECH_S(0) |
		      MATRIX_WRNSECH_S(0);
	matrix_configure_slave_security(AT91C_BASE_MATRIX64,
					H64MX_SLAVE_INTERNAL_SRAM,
					srtop_setting,
					sasplit_setting,
					ssr_setting);

	/* 11:  Internal SRAM 128K (Cache L2) */
	/* 12:  QSPI0 */
	/* 13:  QSPI1 */
	/* 14:  AESB */

	/*
	 * Matrix 1 (H32MX)
	 */

	/* 0: Bridge from H32MX to H64MX: Not Secured */

	/* 1: H32MX Peripheral Bridge 0: Not Secured */

	/* 2: H32MX Peripheral Bridge 1: Not Secured */

	/*
	 * 3: External Bus Interface
	 * EBI CS0 Memory(256M) ----> Slave Region 0, 1
	 * EBI CS1 Memory(256M) ----> Slave Region 2, 3
	 * EBI CS2 Memory(256M) ----> Slave Region 4, 5
	 * EBI CS3 Memory(128M) ----> Slave Region 6
	 * NFC Command Registers(128M) -->Slave Region 7
	 *
	 * NANDFlash(EBI CS3) --> Slave Region 6: Non-Secure
	 */
	srtop_setting =	MATRIX_SRTOP(6, MATRIX_SRTOP_VALUE_128M) |
			MATRIX_SRTOP(7, MATRIX_SRTOP_VALUE_128M);
	sasplit_setting = MATRIX_SASPLIT(6, MATRIX_SASPLIT_VALUE_128M) |
			  MATRIX_SASPLIT(7, MATRIX_SASPLIT_VALUE_128M);
	ssr_setting = MATRIX_LANSECH_NS(6) |
		      MATRIX_RDNSECH_NS(6) |
		      MATRIX_WRNSECH_NS(6) |
		      MATRIX_LANSECH_NS(7) |
		      MATRIX_RDNSECH_NS(7) |
		      MATRIX_WRNSECH_NS(7);
	matrix_configure_slave_security(AT91C_BASE_MATRIX32,
					H32MX_EXTERNAL_EBI,
					srtop_setting,
					sasplit_setting,
					ssr_setting);

	/* 4: NFC SRAM (4K): Non-Secure */
	srtop_setting = MATRIX_SRTOP(0, MATRIX_SRTOP_VALUE_8K);
	sasplit_setting = MATRIX_SASPLIT(0, MATRIX_SASPLIT_VALUE_8K);
	ssr_setting = MATRIX_LANSECH_NS(0) |
		      MATRIX_RDNSECH_NS(0) |
		      MATRIX_WRNSECH_NS(0);
	matrix_configure_slave_security(AT91C_BASE_MATRIX32,
					H32MX_NFC_SRAM,
					srtop_setting,
					sasplit_setting,
					ssr_setting);

	/* 5:
	 * USB Device High Speed Dual Port RAM (DPR): 1M
	 * USB Host OHCI registers: 1M
	 * USB Host EHCI registers: 1M
	 */
	srtop_setting = MATRIX_SRTOP(0, MATRIX_SRTOP_VALUE_1M) |
			MATRIX_SRTOP(1, MATRIX_SRTOP_VALUE_1M) |
			MATRIX_SRTOP(2, MATRIX_SRTOP_VALUE_1M);
	sasplit_setting = MATRIX_SASPLIT(0, MATRIX_SASPLIT_VALUE_1M) |
			  MATRIX_SASPLIT(1, MATRIX_SASPLIT_VALUE_1M) |
			  MATRIX_SASPLIT(2, MATRIX_SASPLIT_VALUE_1M);
	ssr_setting = MATRIX_LANSECH_NS(0) |
		      MATRIX_LANSECH_NS(1) |
		      MATRIX_LANSECH_NS(2) |
		      MATRIX_RDNSECH_NS(0) |
		      MATRIX_RDNSECH_NS(1) |
		      MATRIX_RDNSECH_NS(2) |
		      MATRIX_WRNSECH_NS(0) |
		      MATRIX_WRNSECH_NS(1) |
		      MATRIX_WRNSECH_NS(2);
	matrix_configure_slave_security(AT91C_BASE_MATRIX32,
					H32MX_USB,
					srtop_setting,
					sasplit_setting,
					ssr_setting);
}

static int matrix_init(void)
{
	matrix_write_protect_disable(AT91C_BASE_MATRIX64);
	matrix_write_protect_disable(AT91C_BASE_MATRIX32);

	matrix_configure_slave();

	return 0;
}
#endif

#ifdef CONFIG_DDR2
static void ddramc_reg_config(struct ddramc_register *ddramc_config)
{
	ddramc_config->mdr = AT91C_DDRC2_DBW_16_BITS |
			     AT91C_DDRC2_MD_DDR2_SDRAM;

	ddramc_config->cr = AT91C_DDRC2_NC_DDR10_SDR9 |
			    AT91C_DDRC2_NR_13 |
			    AT91C_DDRC2_CAS_3 |
			    AT91C_DDRC2_DISABLE_RESET_DLL |
			    AT91C_DDRC2_WEAK_STRENGTH_RZQ7 |
			    AT91C_DDRC2_ENABLE_DLL |
			    AT91C_DDRC2_NB_BANKS_8 |
			    AT91C_DDRC2_NDQS_ENABLED |
			    AT91C_DDRC2_DECOD_INTERLEAVED |
			    AT91C_DDRC2_UNAL_SUPPORTED;

	/*
	 * With DDRCK running at 164 MHz (DDRCK = 2 x MCK / 2),
	 * MPDDRC_RTR.COUNT should equal 0x4ff, which results in tREFI
	 * (COUNT / MASTER_CLOCK) remaining under 7.8 us (Winbond's max).
	 */
	ddramc_config->rtr = 0x4FF;

	ddramc_config->t0pr = AT91C_DDRC2_TRAS_(7) |
			      AT91C_DDRC2_TRCD_(3) |
			      AT91C_DDRC2_TWR_(3) |
			      AT91C_DDRC2_TRC_(9) |
			      AT91C_DDRC2_TRP_(3) |
			      AT91C_DDRC2_TRRD_(2) |
			      AT91C_DDRC2_TWTR_(2) |
			      AT91C_DDRC2_TMRD_(2);

	ddramc_config->t1pr = AT91C_DDRC2_TRFC_(22) |
			      AT91C_DDRC2_TXSNR_(23) |
			      AT91C_DDRC2_TXSRD_(200) |
			      AT91C_DDRC2_TXP_(2);

	ddramc_config->t2pr = AT91C_DDRC2_TXARD_(2) |
			      AT91C_DDRC2_TXARDS_(8) |
			      AT91C_DDRC2_TRPA_(4) |
			      AT91C_DDRC2_TRTP_(2) |
			      AT91C_DDRC2_TFAW_(8);
}

static void ddr2_init(void)
{
	struct ddramc_register ddramc_reg;
	unsigned int reg;

	ddramc_reg_config(&ddramc_reg);

	pmc_enable_periph_clock(AT91C_ID_MPDDRC, PMC_PERIPH_CLK_DIVIDER_NA);
	pmc_enable_system_clock(AT91C_PMC_DDR);

	reg = AT91C_MPDDRC_RD_DATA_PATH_ONE_CYCLES;
	writel(reg, (AT91C_BASE_MPDDRC + MPDDRC_RD_DATA_PATH));

	reg = readl(AT91C_BASE_MPDDRC + MPDDRC_IO_CALIBR);
	reg &= ~AT91C_MPDDRC_RDIV;
	reg &= ~AT91C_MPDDRC_TZQIO;
	reg |= AT91C_MPDDRC_RDIV_DDR2_RZQ_50;
	reg |= AT91C_MPDDRC_TZQIO_(101);
	writel(reg, (AT91C_BASE_MPDDRC + MPDDRC_IO_CALIBR));

	ddram_initialize(AT91C_BASE_MPDDRC, AT91C_BASE_DDRCS, &ddramc_reg);

	ddramc_dump_regs(AT91C_BASE_MPDDRC);
}
#endif

/**
 * The MSBs [bits 31:16] of the CAN Message RAM for CAN0 and CAN1
 * are configured in 0x210000, instead of the default configuration
 * 0x200000, to avoid conflict with SRAM map for PM.
 */
#define CAN_MESSAGE_RAM_MSB	0x21

void at91_init_can_message_ram(void)
{
	writel(AT91C_CAN0_MEM_ADDR_(CAN_MESSAGE_RAM_MSB) |
	       AT91C_CAN1_MEM_ADDR_(CAN_MESSAGE_RAM_MSB),
	       (AT91C_BASE_SFR + SFR_CAN));
}

static void led_hw_init(void)
{
	const struct pio_desc led_pins[] = {
		{"LED_RED", CONFIG_SYS_LED_RED_PIN, 0, PIO_PULLUP, PIO_OUTPUT},
		{"LED_GREEN", CONFIG_SYS_LED_GREEN_PIN, 0, PIO_PULLUP, PIO_OUTPUT},
		{"LED_BLUE", CONFIG_SYS_LED_BLUE_PIN, 0, PIO_PULLUP, PIO_OUTPUT},
		{(char *)0, 0, 0, PIO_DEFAULT, PIO_PERIPH_A}
	};

	pio_configure(led_pins);
}

static void at91_led_on(void)
{
	pio_set_gpio_output(CONFIG_SYS_LED_GREEN_PIN, 1);
}

static void sdmmc_cal_setup(void)
{
	unsigned int cidr, exid;
	unsigned int reg;

	/* Identify SAMA5D2 SiP that are concerned by the errata */
	cidr = readl(AT91C_BASE_CHIPID + CHIPID_CIDR);
	if ((cidr & 0x7fffffe0) != SAMA5D2_CIDR)
		return;

	exid = readl(AT91C_BASE_CHIPID + CHIPID_EXID);
	if (exid != SAMA5D225C_D1M_EXID
	 && exid != SAMA5D27C_D1G_EXID
	 && exid != SAMA5D28C_D1G_EXID)
		return;

	/*
	 * Even if SDMMC interfaces are not in use, enable the
	 * calibration analog cell and make it remain powered after
	 * calibration procedure is done.
	 * It's needed on SDMMC0 only
	 */
	dbg_loud("Applying VDDSDMMC errata to ID: %x\n", exid);

	/* Enable peripheral clock */
	pmc_enable_periph_clock(AT91C_ID_SDMMC0, PMC_PERIPH_CLK_DIVIDER_NA);

	/* Launch calibration and wait till it's completed */
	reg = readl(AT91C_BASE_SDHC0 + SDMMC_CALCR);
	reg |= SDMMC_CALCR_ALWYSON | SDMMC_CALCR_EN;
	writel(reg, AT91C_BASE_SDHC0 + SDMMC_CALCR);
	while (readl(AT91C_BASE_SDHC0 + SDMMC_CALCR) & SDMMC_CALCR_EN)
		;

	/* Disable peripheral clock */
	pmc_disable_periph_clock(AT91C_ID_SDMMC0);
}


#ifdef CONFIG_HW_INIT
void hw_init(void)
{
	at91_disable_wdt();

	led_hw_init();

	at91_led_on();

	pmc_cfg_plla(PLLA_SETTINGS);

	/* Initialize PLLA charge pump */
	/*
	 * The field named ICP_PLLA[1:0] must be written to 0.
	 * Even if its default value is 0, it is wrongly re-written to 0x3
	 * by the ROMCode.
	 */
	pmc_init_pll(AT91C_PMC_ICPPLLA_0);

	pmc_mck_cfg_set(0, BOARD_PRESCALER_PLLA,
			AT91C_PMC_H32MXDIV | AT91C_PMC_PLLADIV2 |
			AT91C_PMC_MDIV | AT91C_PMC_CSS);

	writel(AT91C_RSTC_KEY_UNLOCK | AT91C_RSTC_URSTEN,
	       AT91C_BASE_RSTC + RSTC_RMR);

#ifdef CONFIG_MATRIX
	matrix_init();
#endif
	initialize_dbgu();

	timer_init();

#ifdef CONFIG_DDR2
	ddr2_init();
#endif
	l2cache_prepare();

	at91_init_can_message_ram();

	/* SiP: Implement the VDDSDMMC power supply over-consumption errata */
	sdmmc_cal_setup();
}
#endif

#ifdef CONFIG_QSPI
void at91_qspi_hw_init(void)
{
#if defined(CONFIG_QSPI_BUS0)
#if defined(CONFIG_QSPI0_IOSET_1)
	const struct pio_desc qspi_pins[] = {
		{"QSPI0_SCK",	AT91C_PIN_PA(0), 0, PIO_DEFAULT, PIO_PERIPH_B},
		{"QSPI0_CS",	AT91C_PIN_PA(1), 0, PIO_DEFAULT, PIO_PERIPH_B},
		{"QSPI0_IO0",	AT91C_PIN_PA(2), 0, PIO_DEFAULT, PIO_PERIPH_B},
		{"QSPI0_IO1",	AT91C_PIN_PA(3), 0, PIO_DEFAULT, PIO_PERIPH_B},
		{"QSPI0_IO2",	AT91C_PIN_PA(4), 0, PIO_DEFAULT, PIO_PERIPH_B},
		{"QSPI0_IO3",	AT91C_PIN_PA(5), 0, PIO_DEFAULT, PIO_PERIPH_B},
		{(char *)0, 0, 0, PIO_DEFAULT, PIO_PERIPH_A},
	};
#elif defined(CONFIG_QSPI0_IOSET_2)
	const struct pio_desc qspi_pins[] = {
		{"QSPI0_SCK",	AT91C_PIN_PA(14), 0, PIO_DEFAULT, PIO_PERIPH_C},
		{"QSPI0_CS",	AT91C_PIN_PA(15), 0, PIO_DEFAULT, PIO_PERIPH_C},
		{"QSPI0_IO0",	AT91C_PIN_PA(16), 0, PIO_DEFAULT, PIO_PERIPH_C},
		{"QSPI0_IO1",	AT91C_PIN_PA(17), 0, PIO_DEFAULT, PIO_PERIPH_C},
		{"QSPI0_IO2",	AT91C_PIN_PA(18), 0, PIO_DEFAULT, PIO_PERIPH_C},
		{"QSPI0_IO3",	AT91C_PIN_PA(19), 0, PIO_DEFAULT, PIO_PERIPH_C},
		{(char *)0, 0, 0, PIO_DEFAULT, PIO_PERIPH_A},
	};
#elif defined(CONFIG_QSPI0_IOSET_3)
	const struct pio_desc qspi_pins[] = {
		{"QSPI0_SCK",	AT91C_PIN_PA(22), 0, PIO_DEFAULT, PIO_PERIPH_F},
		{"QSPI0_CS",	AT91C_PIN_PA(23), 0, PIO_DEFAULT, PIO_PERIPH_F},
		{"QSPI0_IO0",	AT91C_PIN_PA(24), 0, PIO_DEFAULT, PIO_PERIPH_F},
		{"QSPI0_IO1",	AT91C_PIN_PA(25), 0, PIO_DEFAULT, PIO_PERIPH_F},
		{"QSPI0_IO2",	AT91C_PIN_PA(26), 0, PIO_DEFAULT, PIO_PERIPH_F},
		{"QSPI0_IO3",	AT91C_PIN_PA(27), 0, PIO_DEFAULT, PIO_PERIPH_F},
		{(char *)0, 0, 0, PIO_DEFAULT, PIO_PERIPH_A},
	};
#else
#error "No QSPI0 IOSET defined"
#endif

#elif defined(CONFIG_QSPI_BUS1)

#if defined(CONFIG_QSPI1_IOSET_1)
	const struct pio_desc qspi_pins[] = {
		{"QSPI1_SCK",	AT91C_PIN_PA(6),  0, PIO_DEFAULT, PIO_PERIPH_B},
		{"QSPI1_CS",	AT91C_PIN_PA(11), 0, PIO_DEFAULT, PIO_PERIPH_B},
		{"QSPI1_IO0",	AT91C_PIN_PA(7),  0, PIO_DEFAULT, PIO_PERIPH_B},
		{"QSPI1_IO1",	AT91C_PIN_PA(8),  0, PIO_DEFAULT, PIO_PERIPH_B},
		{"QSPI1_IO2",	AT91C_PIN_PA(9),  0, PIO_DEFAULT, PIO_PERIPH_B},
		{"QSPI1_IO3",	AT91C_PIN_PA(10), 0, PIO_DEFAULT, PIO_PERIPH_B},
		{(char *)0, 0, 0, PIO_DEFAULT, PIO_PERIPH_A},
	};
#elif defined(CONFIG_QSPI1_IOSET_2)
	const struct pio_desc qspi_pins[] = {
		{"QSPI1_SCK",	AT91C_PIN_PB(5),  0, PIO_DEFAULT, PIO_PERIPH_D},
		{"QSPI1_CS",	AT91C_PIN_PB(6),  0, PIO_DEFAULT, PIO_PERIPH_D},
		{"QSPI1_IO0",	AT91C_PIN_PB(7),  0, PIO_DEFAULT, PIO_PERIPH_D},
		{"QSPI1_IO1",	AT91C_PIN_PB(8),  0, PIO_DEFAULT, PIO_PERIPH_D},
		{"QSPI1_IO2",	AT91C_PIN_PB(9),  0, PIO_DEFAULT, PIO_PERIPH_D},
		{"QSPI1_IO3",	AT91C_PIN_PB(10), 0, PIO_DEFAULT, PIO_PERIPH_D},
		{(char *)0, 0, 0, PIO_DEFAULT, PIO_PERIPH_A},
	};
#elif defined(CONFIG_QSPI1_IOSET_3)
	const struct pio_desc qspi_pins[] = {
		{"QSPI1_SCK",	AT91C_PIN_PB(14), 0, PIO_DEFAULT, PIO_PERIPH_E},
		{"QSPI1_CS",	AT91C_PIN_PB(15), 0, PIO_DEFAULT, PIO_PERIPH_E},
		{"QSPI1_IO0",	AT91C_PIN_PB(16), 0, PIO_DEFAULT, PIO_PERIPH_E},
		{"QSPI1_IO1",	AT91C_PIN_PB(17), 0, PIO_DEFAULT, PIO_PERIPH_E},
		{"QSPI1_IO2",	AT91C_PIN_PB(18), 0, PIO_DEFAULT, PIO_PERIPH_E},
		{"QSPI1_IO3",	AT91C_PIN_PB(19), 0, PIO_DEFAULT, PIO_PERIPH_E},
		{(char *)0, 0, 0, PIO_DEFAULT, PIO_PERIPH_A},
	};
#else
#error "No QSPI1 IOSET defined"
#endif
#else
#error "No QSPI Bus defined"
#endif

	pio_configure(qspi_pins);
	pmc_enable_periph_clock(CONFIG_SYS_ID_QSPI, PMC_PERIPH_CLK_DIVIDER_NA);
}
#endif

#ifdef CONFIG_SDCARD
#ifdef CONFIG_OF_LIBFDT
void at91_board_set_dtb_name(char *of_name)
{
	strcpy(of_name, "at91-sama5d27_som1_ek.dtb");
}
#endif

#define ATMEL_SDHC_GCKDIV_VALUE		1

void at91_sdhc_hw_init(void)
{
	unsigned int reg;

#ifdef CONFIG_SDHC0
	const struct pio_desc sdmmc_pins[] = {
		{"SDMMC0_CK",   AT91C_PIN_PA(0), 0, PIO_DEFAULT, PIO_PERIPH_A},
		{"SDMMC0_CMD",  AT91C_PIN_PA(1), 0, PIO_DEFAULT, PIO_PERIPH_A},
		{"SDMMC0_DAT0", AT91C_PIN_PA(2), 0, PIO_DEFAULT, PIO_PERIPH_A},
		{"SDMMC0_DAT1", AT91C_PIN_PA(3), 0, PIO_DEFAULT, PIO_PERIPH_A},
		{"SDMMC0_DAT2", AT91C_PIN_PA(4), 0, PIO_DEFAULT, PIO_PERIPH_A},
		{"SDMMC0_DAT3", AT91C_PIN_PA(5), 0, PIO_DEFAULT, PIO_PERIPH_A},
		{"SDMMC0_DAT4", AT91C_PIN_PA(6), 0, PIO_DEFAULT, PIO_PERIPH_A},
		{"SDMMC0_DAT5", AT91C_PIN_PA(7), 0, PIO_DEFAULT, PIO_PERIPH_A},
		{"SDMMC0_DAT6", AT91C_PIN_PA(8), 0, PIO_DEFAULT, PIO_PERIPH_A},
		{"SDMMC0_DAT7", AT91C_PIN_PA(9), 0, PIO_DEFAULT, PIO_PERIPH_A},
		{"SDMMC0_RSTN", AT91C_PIN_PA(10), 0, PIO_DEFAULT, PIO_PERIPH_A},
		{"SDMMC0_VDDSEL", AT91C_PIN_PA(11), 0, PIO_DEFAULT, PIO_PERIPH_A},
		{"SDMMC0_WP",   AT91C_PIN_PA(12), 1, PIO_DEFAULT, PIO_PERIPH_A},
		{"SDMMC0_CD",   AT91C_PIN_PA(13), 0, PIO_DEFAULT, PIO_PERIPH_A},
		{(char *)0, 0, 0, PIO_DEFAULT, PIO_PERIPH_A},
	};
#endif

#ifdef CONFIG_SDHC1
	const struct pio_desc sdmmc_pins[] = {
		{"SDMMC1_DAT0",	AT91C_PIN_PA(18), 0, PIO_DEFAULT, PIO_PERIPH_E},
		{"SDMMC1_DAT1",	AT91C_PIN_PA(19), 0, PIO_DEFAULT, PIO_PERIPH_E},
		{"SDMMC1_DAT2",	AT91C_PIN_PA(20), 0, PIO_DEFAULT, PIO_PERIPH_E},
		{"SDMMC1_DAT3",	AT91C_PIN_PA(21), 0, PIO_DEFAULT, PIO_PERIPH_E},
		{"SDMMC1_CK",	AT91C_PIN_PA(22), 0, PIO_DEFAULT, PIO_PERIPH_E},
		{"SDMMC1_CMD",	AT91C_PIN_PA(28), 0, PIO_DEFAULT, PIO_PERIPH_E},
		{"SDMMC1_CD",	AT91C_PIN_PA(30), 0, PIO_DEFAULT, PIO_PERIPH_E},
		{(char *)0, 0, 0, PIO_DEFAULT, PIO_PERIPH_A},
	};
#endif
	/* First, print status of CAL for VDDSDMMC over-consumption errata */
	pmc_enable_periph_clock(AT91C_ID_SDMMC0, PMC_PERIPH_CLK_DIVIDER_NA);
	reg = readl(AT91C_BASE_SDHC0 + SDMMC_CALCR);
	pmc_disable_periph_clock(AT91C_ID_SDMMC0);

	if (reg & SDMMC_CALCR_ALWYSON)
		dbg_info("SDHC: fix in place for SAMA5D2 SoM VDDSDMMC over-consumption errata\n");

	/* Deal with usual SD/MCC peripheral init sequence */
	pio_configure(sdmmc_pins);

	pmc_enable_periph_clock(CONFIG_SYS_ID_SDHC, PMC_PERIPH_CLK_DIVIDER_NA);
	pmc_enable_generic_clock(CONFIG_SYS_ID_SDHC,
				 GCK_CSS_UPLL_CLK,
				 ATMEL_SDHC_GCKDIV_VALUE);
}
#endif
